EP 0078041 A3 19830817 - CUTTER CHAIN FOR A STONE CUTTING MACHINE
Title (en)
CUTTER CHAIN FOR A STONE CUTTING MACHINE
Publication
Application
Priority
- DE 3142067 A 19811023
- DE 3142068 A 19811023
- DE 3225916 A 19820710
Abstract (en)
[origin: EP0078041A2] 1. A cutting chain for a rock-cutting machine, consisting of alternate bit-holders (28, 38) and intermediate members (3) respectively as links of the chain, in which the bit-holder (28, 38) carries a cutter-plate (15, 40) which through a regular contour (30) on the bit-holder (28, 38) is fixed as regards the position about the centreline and is held with the aid of clamping means (32, 41) and exhibits a circular or polygonal peripheral shape, characterized in that as the clamping means a clamping finger (41) made as a bridge is provided, one end of which bears against the front face of the cutterplate (40) and the other end of which bears against an area of a plane parallel with the cutter-plate (40), or a dog (32) is provided which rests by its one endface against the cutter-plate (15) and by its other endface against a bearing area (29) lying opposite the cutterplate (15) and making an angle with the cutter-plate of preferably about 20 , the clamping finger (41) and the dog (32) respectively being tightened by means of a threaded bolt (42, 33).
IPC 1-7
IPC 8 full level
B27B 33/14 (2006.01); B28D 1/12 (2006.01); E21C 25/34 (2006.01); E21C 35/183 (2006.01)
CPC (source: EP)
B27B 33/144 (2013.01); B27B 33/145 (2013.01); B28D 1/125 (2013.01); E21C 25/34 (2013.01); E21C 35/183 (2013.01)
Citation (search report)
- [X] US 4079796 A 19780321 - STAGGS ARNOL, et al
- [Y] DE 1583778 B1 19710225 - AUSTIN HOY & CO LTD
- [Y] DE 1915152 A1 19701001 - EICKHOFF GEB
- [Y] DE 2919774 A1 19791115 - DRESSER IND
- [Y] GB 391736 A 19330504 - ALEXANDER ANDERSON, et al
- [Y] GB 422594 A 19350115 - AUSTIN HOPKINSON
- [Y] GB 614865 A 19481223 - NORMAN JAMES MUSCHAMP, et al
- [Y] GB 623346 A 19490516 - NORMAN JAMES MUSCHAMP, et al
- [Y] US 3746396 A 19730717 - RADD F
Designated contracting state (EPC)
BE DE FR IT
DOCDB simple family (publication)
EP 0078041 A2 19830504; EP 0078041 A3 19830817; EP 0078041 B1 19860312; DE 3269867 D1 19860417
DOCDB simple family (application)
EP 82109816 A 19821023; DE 3269867 T 19821023